<SEC-DOCUMENT>0001104659-20-023882-index.html : 20200221
<SEC-HEADER>0001104659-20-023882.hdr.sgml : 20200221
<ACCEPTANCE-DATETIME>20200221160923
ACCESSION NUMBER:		0001104659-20-023882
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200221
DATE AS OF CHANGE:		20200221
GROUP MEMBERS:		JONATHAN BARRETT
GROUP MEMBERS:		LUMINUS ENERGY PARTNERS MASTER FUND, LTD.
GROUP MEMBERS:		LUMINUS SPECIAL OPPORTUNITIES II MASTER FUND, LTD.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCH COAL INC
		CENTRAL INDEX KEY:			0001037676
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE SURFACE MINING [1221]
		IRS NUMBER:				430921172
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51233
		FILM NUMBER:		20640091

	BUSINESS ADDRESS:	
		STREET 1:		CITY PLACE ONE STE 300
		STREET 2:		ARCH MINERAL CORP
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63141
		BUSINESS PHONE:		3149942700

	MAIL ADDRESS:	
		STREET 1:		CITYPLACE ONE SUITE 300
		STREET 2:		ARCH MINERAL CORP
		CITY:			CREVE COEUR
		STATE:			MO
		ZIP:			63141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARCH MINERAL CORP
		DATE OF NAME CHANGE:	19970411

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LUMINUS MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001279151
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		26TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2126153450

	MAIL ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		26TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm209695-1_sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: tm209695-1_sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>